Pattern and guide strip



Apr. 10, 1923.

S. H. CALKINS PATTERN AND GUIDE STRIP Filed Aug. 31,

' M/I/EA/TOI? v Y SEW/van H. CALK/NS M40104;

Patented Apr. 10, 1923.

' UNITED STATES PATENT OFFICE- SEWARD H. GALKINS, or LONG ISLAND CITY,- iwnw'YoRK. ASSIGNOR TO THE TRAITEL .MARBLE COMPANY, OF LONG ISLAND CITY, NEW YORK, A CORPORATION OF NEW YORK.

4 Application filed au ustsi, 1920. Serial No. 407,094.

To all whom it may concern:

Be it known that I, SE-WARD H. GALKINs, a citizenofthe United States, and a resident of Long Island City, borough of'Queens, county of Queens, and State of New York, have .invented a new and Improved Pattern and Guide Strip 'ofwhich the following is a full, clear, andexact description. This invention relates to pattern. and guide strips for plastic work particularly for flooring and has as one of the objects to provide an improved device; which may be easily and accurately placed in position and which will permit ready deposit and finishing of a wall or floor coating of a number of different colors -without various colors to commingle.

Another object of the invention is to provide a guide strip which has astraight un- 2 interrupted top and bottom edge formed with means for holding the plastic material in position and at the same time presenting a straight leveling edge at the top. v

A further objectof the inventioniis to provide a strip for holding plastic fioorsand walls and the like in place and atthe same time present retaining means for the plastic material while presenting expansion means during the life of the floor or wall.

W A still further object is to provide a flex- ..ible strip having improved means forsupporting the same upon a plastic bed and to so arrange the supporting means that the strip may be readily bent into various curved formations so that it will greatly aid in the formation of unusual curved designs in walls or flooring. In the accompanying drawing Figure 1 is a top planview of part of a 9 floor showin designs having a guide strip embodying t einvention used for holding the different colors in the material separated. l

Figure 2 is a fragmentary sectional view 5 through a flooring disclosing an embodiment of the invention.

Figure 3 is a transverse sectional view through Figure 2 on line 3-3.

Figure 4 is a perspective view of the strip F shown in Figure 2.

Figure 5 is ;a sectional view similar to Figure 3 but disclosing a different form of strip, the flooring being shown in an unfin' ished' condition.

PATTERN Ann GUIDE STRIP.

permitting the be poor by reason of the softness of the ma- REI-SSUED Figure 6 is a view similar to Figure 5 with the flooring in a. finished condition.

Figure 7 is a perspective view similar to Figure 4 but disclosing the form of strip illustrated in Figures 5 and 6.

In providing floors for modern buildings; and other places, it is customary to provide, concrete coverings and in providing this form of flooring the material must be properly mixed and placed in position in a plastic condition and left standing until it is seasoned or hardened. In some instances, walls and ceilings are also provided with cement coatings and they must be formed substantially in the same manner as concrete floors. Where the concrete floor is to be formed as a mosaic as for instance what is known as a Terrazzo mosaic, the concrete is mixed with coloring matter if desired and also with marble or other material and is pressed by any suitable means, as for instance,.a roller. After it has been arranged in place, said pressure continuing until thetexture is-.comparatively closed- After this has been done, the prepared flooring, ceiling or wall is allowed to season or harden to a certain extent which usually requires several days. This seasoning or hardening must not be carried too far before the finishing of the floor or other coating is carried out, said finishing being done by grinding either manually or by a machine. If this finishing or grinding 1s donebefore theflooring has properly set, it will grind away to an undesirable extent and the finishing will terial. If the floor is allowed to set too long it becomes too hard for proper grinding so that the workers in producing terrazzo mosaic? floors must grind the flooring at approximately the correct time to secure the,

best results.

. Where a number of colors are to be used in a floor and'arra-nged in different designs, a partition or division members must be pro vided for holdingthe different batches of material in proper place until they have set to a certain extent. After, the first batch has set, a second batch or so'ine other part of the floor is provided and so on until all of the floor has been covered by several batches of material of different colors according to the design desired. By this method, which has been known for some time, the diflerent batches or different ages must all be finished at once with a result that some of it is finished while it is rather soft and other parts are finished after they have become undesirably hard. To obviate this condition,

the strips shown in the accompanying drawing have been provided which permit all of provided with a number of ornamental sections 2, separated by strips 3 of metal formed according to the-present invention. As shown in Figure A the strips 3 are of thin metal as for instance, brass, and are provided with upper and lower straight edges 4 and 5, said edgesbeing continuous from one end of the strip to the other. The strip is punched out for forming oppositely extending ears 6 and 7, said ears extending substantially at right angles to the flat faces of the strip 3. It will be noted that in pressing out these ears they are pressed out of the lower half of the strip but do not extend to the bottom edge. This arrangement is provided inorder. that when the bed 8 has been provided on the foundation 9 and is still green, the lower edge 5 of-the strip 3 may be forced therein until the ears 6 and 7 press against said bed. The bed 8 will nat urally resist this action somewhat but the strip may be readily placed in position and the slight resistance ofiered will cause the bed 8, which 'is a concrete mixture, to flow into the various openings 10 formed by the pressing out of the ears 6 and 7. This arrangement provides an anchor for locking the strips in place and to the bed 8. Thus the longitudinal bridge portions 10' of the strip at the lower side of each of the openings 10 act to 'firmly anchor the 'strip in the under-bed so that it cannot work upwardly therethroug-h. The horizontally disposed ear 6 at the upper side of each opening 10 exerts a tamping action upon the plastic material to press the same closely into the openings 10 above the anchor bridges 10'. After the strip has been thus placed in position, the

ornamental concrete aggregate 11 is deposited on top of the bed '8 and is rolled or,

pressed in place in any desired manner. The straight edge 4 of the strip 5 permit easy leveling of the aggregate.

After the design has been formed as shown in Figure 1, it is left to season or'harden and when in the proper condition the entire surface is ground. With the strip 3 of brass'or some other comparatively. soft 'metal, they will grind away with the aggregate 11, and consequently. will be flush with the remaining part of the floor when the floor is com pleted.

In Figures 5 and? will be seen a slight modified form of the invention in which the strip "3 is bent back upon itself at 12 and bent-again at 13 forming a longitudinal flange or ear 14: which acts similar to the ear lar manner to strip 4 and assumes substantially the position shown in Figure 5 whenthe floor is completely laid but not ground.

During the grinding action the upper part of the floor is, of course, ground away and the bent edge 12 is also ground away so thatthere will be arranged two parallel metal strips presenting an expansion joint which will readily take care of any expansion of,

thefloor. This structure, as well as that shown in Figure 4 will act also as anchoring means'for preventing warping or'curling of the floor during the curing thereof.

If desired, a number of rivets or other fastening means 15 could be provided on strip 3, said rivets being near the bent edge 13. These rivets when used act to tie the parts together adjacent the upper ,edge of tlfife bed 8 after the edge 12 has been ground 0 a What I claim is '1 1. A pattern'and guide strip of the character described comprising a flat strip of metal having upper and lower uninterrupted straight edges and a plurality of ears pressed out of said strip and positioned to extend on opposite sides thereof, substantially from the center of the strip.

2. A pattern and guide strip comprising a flat strip of metal bent centrally along its longitudinal center producing right and left plates, oneof said plates being bent at right a number of pressed out ears extending in I an opposite direction tothe flange but in the same plane. v

3. pattern and guide strip comprising a thin strip of'metal bent along a longitudinal to the remaining plate to form a longitudicentral line. so as to formpa-rallel plates, one of said plates being also bent at right angles having a plurality of pressed out ears arranged in the same plane as the flange but extending in the opposite direction and fastenin means extending through said plates, said fastening means being spaced from. the upper edge. 1 I

4. A pattern and guide strip comprising a flexible strip .of metal adaptedto be forced vertically into a body of plastic material,

said metal strip being provided with longitudinally spaced openings therein intermediate its opposite edges and having means projecting horizontally from one side of the strip at the upper edge of each opening, said means constituting stops limiting the penetration 'of one edge of the strip into the plastic material and also acting to tamp the material and urge the same within said openings,

, 5. A pattern and guide strip comprising a flexible strip of. metal adapted to be forced vertically into a body of plastic material, said metal strip being provided with longitudinally spaced openings therein and having means projecting horizontally from one edge of each opening to limit the penetration of one edge of the strip in the plastic mate rial an to tamp the material within said openings, said strip also having means at the opposite edge of each Opening acting to firmly anchor the strip in the plastic material a ainst an upward vertical movement.

6. g pattern and guide strip comprising a thin strip of metal having longitudinally elongated spaced openings therein and ears projecting horizontally from one side of the strip at the upper edges of said openings and co-extensive in length with said openings, said ears constituting stops limiting the penetration of the lower edge portion of the strip into a body of plastic material, and also acting to tamp the plastic material into said openings.

7 A pattern and guide strip for floors of plastic material having longitudinally spaced ears pressed out of said strip and extending at right angles to the plane thereof, said ears stituting anchor means preventing upward movement of the strip in the under-bed.

8. A pattern and guide strip for floors of plastic material comprising a thin strip of metal bent to provide a continuous longitudinal flange projecting horizontally from one side of thebody of the strip and at right angles to the plane thereof, the body of. the strip. being provided at one side of the flange with longitudinally spaced openings therein, said flange constituting a stop to limit the penetration of one edge of the strip into a body of plastic material, and also acting to tamp the plastic material into said openings. 7 9. A pattern and guide strip for floors of plastic material comprising a thin metal strip bent to provide a continuous longitudinal flange projecting from one side of the body of the strip intermediate of its opposite edges, said metal strip being also provided with spaced ears projecting from the opposite side of the strip in the plane of said flange'and an opening in the body of the strip beneath each of said ears, said flange and the ears constituting stops limiting the penetration of one edge of the .strip into a body of plastic material, and alsoacting to tamp the material into said openin s.

SEWARD H. CAL (INS. 

